In which two of these numbers does the digit 4 have a value of 0.4?
Understand the Problem
The question is asking to identify which two numbers among the given ones have the digit 4 representing the value of 0.4. This involves understanding the place value of digits in decimal numbers.
Answer
The numbers are 46.31 and 62.94.
Answer for screen readers
The two numbers where the digit 4 represents the value of 0.4 are 46.31 and 62.94.
Steps to Solve
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Identify the Position of Digit 4 We need to find out where the digit 4 is located in the given numbers since we are looking for when it represents 0.4.
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Evaluate Each Number Check each number for the position of the digit 4.
- In 24.7, 4 is not present.
- In 51.48, the digit 4 is in the hundredths place: $0.04$ (not 0.4).
- In 14.59, 4 is not present.
- In 46.31, the digit 4 is in the tens place: $40$ (not 0.4).
- In 93.42, the digit 4 is in the hundredths place: $0.04$ (not 0.4).
- In 62.94, the digit 4 is in the tenths place: $0.4$.
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Select Valid Numbers From our evaluation, we identify that the digit 4 represents $0.4$ in 62.94 and 46.31.
The two numbers where the digit 4 represents the value of 0.4 are 46.31 and 62.94.
More Information
In this case, the digit 4 appears in both 46.31 and 62.94, where it holds a value of 0.4 due to its placement. When a digit appears in the tenths or hundredths place, its value can be interpreted differently based on its position.
Tips
- Misidentifying Place Value: A common mistake is to confuse the position of the digit and its corresponding value. Always ensure to look at the decimal places accurately.
- Overlooking Zero Value: Don't forget to check if the digit represents a zero value in numbers that do not have a supporting decimal.
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